A tiny amount of specialized foundation makeup is mixed with a few drops of water, and then sprayed onto the face with a wand. The result is a sheer, yet full coverage. You end up wearing less foundation, but with a flawless finish. It even hides under eye circles and rosacea. Once airbrushed, you are good to go for up to 10 or 20 hours, with an average of around 16 hours. It won't rub off on anything or disappear into your pores.